Letters

Sealed Crawlspace in Action
To the Editor:
I have been battling with a local
building department over the issue of
ventilation in crawlspaces (see
"Crawlspace Ventilation Update," 8/99;
Letters, 10/99, 1/00). I say it's best to seal
it up and of course they say ventilate it.
Two years ago, I built a family-room
addition and made the 22x14-foot 3-
foot-high crawlspace to serve as a storage
area for outdoor items, accessible
with a hinged door from outside. I used
a 6-mil poly vapor barrier under the
slab, and insulated the joist bays with 1-
inch-thick R-board and 9-inch (R-30)
fiberglass fit between the joists, and
another layer of the R-board on the
underside of the joists, with the